Re: [boost] [review] string convert

Subject: Re: [boost] [review] string convert
From: Jeff Flinn (TriumphSprint2000_at_[hidden])
Date: 2011-05-03 11:20:07

Vladimir Batov wrote:
>> Gordon Woodhull <gordon <at> woodhull.com> writes:
>> ..
>> Here's again the alternate "simpler" syntax which I put in my original
>> review, which I think must have
>> gotten buried from typing too much.  :-/
>>
>> optional<int> i = string_convert<int, dont_throw>(s);
>>  // or string_convert<int>(s, _throw=false) if
>> that's impossible
>> int i = string_convert<int>(s, manip_ = std::hex);
> 
> Apologies if you expected me to reply to something that I missed. I believe the
> functionality you are proposing is available via
> 
> convert<int>::result res = convert<int>::from(s);
> 
> The deployment of boost::optional might be quite appropriate in this particular
> case. However, I fee that the deployment of dedicated convert::result is better
> suited across (uniformity) all library uses. I'd probably like to hear more what
> clear advantages your proposed interface offers over the existing one.

In my mind boost::optional 'is' the way to represent optional value 
types, and this promotes "uniformity" non only across used of this 
library, but all boost libraries.

Jeff